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acpi: add aml_to_decimalstring() and aml_call6() helpers 

it will be used by follow up patches

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210315180102.3008391-5-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2021-03-15 14:01:00 -04:00 committed by Michael S. Tsirkin
parent 4fd7da4c03
commit 910e406971
2 changed files with 31 additions and 0 deletions
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28
hw/acpi/aml-build.c
View File

@ -634,6 +634,19 @@ Aml *aml_to_buffer(Aml *src, Aml *dst)
return var;
}
/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToDecimalString */
Aml *aml_to_decimalstring(Aml *src, Aml *dst)
{
Aml *var = aml_opcode(0x97 /* ToDecimalStringOp */);
aml_append(var, src);
if (dst) {
aml_append(var, dst);
} else {
build_append_byte(var->buf, 0x00 /* NullNameOp */);
}
return var;
}
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */
Aml *aml_store(Aml *val, Aml *target)
{
@ -835,6 +848,21 @@ Aml *aml_call5(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
return var;
}
/* helper to call method with 5 arguments */
Aml *aml_call6(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
Aml *arg5, Aml *arg6)
{
Aml *var = aml_alloc();
build_append_namestring(var->buf, "%s", method);
aml_append(var, arg1);
aml_append(var, arg2);
aml_append(var, arg3);
aml_append(var, arg4);
aml_append(var, arg5);
aml_append(var, arg6);
return var;
}
/*
* ACPI 5.0: 6.4.3.8.1 GPIO Connection Descriptor
* Type 1, Large Item Name 0xC

3
include/hw/acpi/aml-build.h
View File

@ -301,6 +301,7 @@ Aml *aml_arg(int pos);
Aml *aml_to_integer(Aml *arg);
Aml *aml_to_hexstring(Aml *src, Aml *dst);
Aml *aml_to_buffer(Aml *src, Aml *dst);
Aml *aml_to_decimalstring(Aml *src, Aml *dst);
Aml *aml_store(Aml *val, Aml *target);
Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst);
Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst);
@ -323,6 +324,8 @@ Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3);
Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4);
Aml *aml_call5(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
Aml *arg5);
Aml *aml_call6(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
Aml *arg5, Aml *arg6);
Aml *aml_gpio_int(AmlConsumerAndProducer con_and_pro,
AmlLevelAndEdge edge_level,
AmlActiveHighAndLow active_level, AmlShared shared,